Are they at the bus stop?
Yes, they are.
Is she a programmer?
No, she's not.
Are they cats?
Yes, they are.
Is it a supermarket? Yes, it is. / Yes, it's.
Yes, it is.
Is ____ an ATM?
it
Are _____ pencils?
they
_____ they doctors?
Are
____ it a cat?
Is
Are they students? Yes, they are. / Yes, they're.
Yes, they are.
Is _____ Peter?
he